from tkinter import *
X = int(input('Введите начальную координату X:'))
Y = int(input('Введите начальную координату Y:'))
N = int(input('Введите коэффициент увеличения N:'))
                
coords = [0,0,10,0,10,10,20,10,20,20,0,20]

if N == 0 and X>=0 and X<=500 and Y>=0 and Y<=500: 
    pass
else:
    if N > 0 and 0*N+X>=0 and 0*N+Y>=0 and 20*N+X<=500 and 20*N+Y<=500:
        pass
    else:
        if N < 0 and 20*N+X>=0 and 20*N+Y>=0 and 0*N+X<=500 and 0*N+Y<=500:
            pass
        else:
            print('Размер фигуры превышает максимальный размер поля')
            exit()

                  
root = Tk()
root.title("ИТ марафон")
root.geometry("500x500")
                  
canvas = Canvas(bg="white", width=500, height=500)
canvas.pack(anchor = CENTER, expand = 1)

                  
canvas.create_polygon(coords[0] *N+X, coords[1] *N+Y,
                      coords[2] *N+X, coords[3] *N+Y,
                      coords[4] *N+X, coords[5] *N+Y,
                      coords[6] *N+X, coords[7] *N+Y,
                      coords[8] *N+X, coords[9] *N+Y,
                      coords[10] *N+X,coords[11]*N+Y)

root.mainloop()

